Simple fix battle in pvp - iot is complete BS that I have to put up with losing to battle power 10k less thanh me and winning agianst 2-5 more than meits complete garabge and eneds to be fixed ASAP - this is a gamebreaking bug
Don't try to think too much about the displayed power. Focus on proper gearing and team synergy. People can help you figure some stuff out here if you want :)